Listeria et biofilm

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Brazilian Journal of Microbiology Available online 9 February 2017 Growth, viability and architecture of biofilms of Listeria monocytogenes formed on abiotic surfaces. Abstract The pathogenic bacterium Listeria monocytogenes can persist in food processing plants for many years, even when appropriate hygienic measures are in place, with potential for contaminating ready-to-eat products and, its ability to form biofilms on abiotic surfaces certainly contributes for the environmental persistence.

In this research, L. monocytogenes was grown in biofilms up 8 days attached to stainless steel and glass surfaces, contributing for advancing the knowledge on architecture of mature biofilms, since many literature studies carried out on this topic considered only early stages of cell adhesion. In this study, biofilm populations of two strains of L. monocytogenes (serotypes 1/2a and 4b) on stainless steel coupons and glass were examined using regular fluorescence microscopy, confocal laser scanning microscopy and classic culture method. Keywords. International Journal of Food Microbiology Volume 237, 21 November 2016, Variability of Listeria monocytogenes strains in biofilm formation on stainless steel and polystyrene materials and resistance to peracetic acid and quaternary ammonium compounds.

AEM - 2014 - Exploring the diversity of Listeria monocytogenes biofilm architecture by high-throughput confocal laser scanning microscopy: predominance of honey-comb-like-morphotype. PLOS 11/09/15 Biofilm-Forming Abilities of Listeria monocytogenes Serotypes Isolated from Different Sources. Abstract A total of 98 previously characterized and serotyped L. monocytogenes strains, comprising 32 of 1/2a; 20 of 1/2b and 46 of 4b serotype, from clinical and food sources were studied for their capability to form a biofilm.

Email: rbs_23@yahoo.fr. Biofilms: Impact on the Food Industry. SANITATION | June/July 2012 By Michael Cramer Last month, I went to the dentist for my routine 6-month checkup.

Maintaining good oral health has always been important to me and was stressed in our family when I was growing up. As my father used to quip, “Be true to your teeth or your teeth will be false to you.” The dental hygienist cleaning my teeth asked if I brush my teeth manually or if I use an electric toothbrush.
Letters in Applied Microbiology 2004, 38, 428–432 Biofilm formation by Salmonella spp. and Listeria monocytogenes on plastic sur. Appl Environ Microbiol. 2012 Mar;78(5):1454-65. Epub 2011 Dec 22. Small-molecule modulators of Listeria monocytogenes biofilm de.

Sterilix Corporation and an ARS researcher claim to have developed a 100 per cent effective disinfectant for removing biofilms containing Listeria monocytognes from meat processing facilities.

L. monocytognes can thrive on the work surfaces of meat processing plants because it can withstand low temperatures and can even grow in or on refrigerated foods. The hardy pathogen is also a serious public health problem. According to the US Department of Agriculture (USDA), L. monocytognes causes serious illness in 2,500 people a year, resulting in 500 deaths. Collaboration To help companies fight the problem, Sterilex Corporation joined forces with Agriculture Research Service (ARS) microbiologist Judy Arnold.

Biofilms are layers of protein and polysaccharides that surround bacteria and stick to equipment surfaces. The new formulation developed by Arnold and Sterilex penetrates a biofilm, kills the microorganisms, and removes the biofilm.
Journal of Food Protection®, Volume 59, Number 8, August 1996 Growth of Listeria monocytogenes as a Biofilm on Various Food-Proc. Appl. Environ. Microbiol. December 2006 vol. 72 no. 12 Resistance of Listeria monocytogenes Biofilms to Sanitizing Agents in a S. Renc. Rech. Ruminants, 2003, 10 Virulence de Listeria monocytogenes en biofilm : conséquences en élevage laitier. Journal of Food Science - 2011 - Biofilms of Listeria monocytogenes Produced at 12◦C either in Pure Culture or in Co-Culture wit.